Compliance is a very risky field to work in. Former FBI head James Comey was a board member of HSBC while at the same time head of the FBI. HSBC was later fined for money laundering for Latin American drug cartels in that period, but no criminal charges were brought.

'Chief Financial Officer Meng Wanzhou iwas arrested in Vancouver, Canada while changing planes en route to Mexico from Hong Kong.

Department of Justice alleges that she mislead American banks about the true relationship between a Hong Kong company called Skycom and Huawei, a company founded by her father, with alleged close ties to the Chinese military.

This brought the banks into possible violation if American-EU sanctions against Iran.

Ms Meng is facing a hearing on possible extradition to the United States for trial.